/// <summary>
/// Read the streams file again, adding submenus and items
/// to the given context menu. The file will be recreated first
/// when it doesn't exist.
/// </summary>
/// <param name="menu">Target context menu.</param>
/// <param name="onClick">Click event to attach to menu items.</param>
public void LoadTo(ContextMenuStrip menu, EventHandler onClick)
{
// reset so that unhandled exceptions during recreation
// invalidate the current time:
lastUpdated = DateTime.MinValue;
// make a single attempt to recreate the file when needed:
if (!File.Exists(filepath))
{
Util.ResourceCopy(resourcepath, filepath);
}
DateTime lastWriteTime = File.GetLastWriteTimeUtc(filepath);
// we must check the date, the file may be deleted
// before calling GetLastWriteTimeUtc():
if (lastWriteTime == Util.FileNotFoundUtc)
{
throw new IOException("Unable to access streams file after recreating it.");
}
try
{
reader.Read(filepath, menu, onClick);
lastUpdated = lastWriteTime;
}
// update time on parsing errors
// the syntax will still be wrong until the file changes:
catch (StreamsFileReadError)
{
lastUpdated = lastWriteTime;
throw;
}
}
